Home / 1,151,260.80-1,723,780.80-902,428.80

Finding the Fourth Proportional to 1,151,260.80, 1,723,780.80 and 902,428.80

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Solution

The fourth proportional to 1,151,260.80, 1,723,780.80 and 902,428.80 is: 1,351,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,260.80 : 1,723,780.80 = 902,428.80 : x
  2. Step 2: Convert to fraction form
    1,151,260.80/1,723,780.80 = 902,428.80/x
  3. Step 3: Cross multiply
    1,151,260.80x = 1,723,780.80 × 902,428.80
  4. Step 4: Simplify right side
    1,151,260.80x = 1,555,589,438,807.04
  5. Step 5: Solve for x
    x = 1,555,589,438,807.04/1,151,260.80
  6. Step 6: Final answer
    x = 1,351,205.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.